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Check for presence of \reactos\ntoskrnl.exe instead of REACTOS disk label to identify the boot cdrom device.

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svn path=/trunk/; revision=6149
This commit is contained in:
Eric Kohl 2003-09-26 19:45:04 +00:00
parent efec63db2f
commit 3bc1216b7f
1 changed files with 36 additions and 3 deletions
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39
reactos/ntoskrnl/io/arcname.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* $Id: arcname.c,v 1.12 2003/07/17 16:57:38 silverblade Exp $ /* $Id: arcname.c,v 1.13 2003/09/26 19:45:04 ekohl Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -177,22 +177,25 @@ IoCreateArcNames(VOID)
static NTSTATUS static NTSTATUS
IopCheckCdromDevices(PULONG DeviceNumber) IopCheckCdromDevices(PULONG DeviceNumber)
{ {
PFILE_FS_VOLUME_INFORMATION FileFsVolume;
PCONFIGURATION_INFORMATION ConfigInfo; PCONFIGURATION_INFORMATION ConfigInfo;
OBJECT_ATTRIBUTES ObjectAttributes; OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING DeviceName; UNICODE_STRING DeviceName;
WCHAR DeviceNameBuffer[32]; WCHAR DeviceNameBuffer[MAX_PATH];
HANDLE Handle; HANDLE Handle;
ULONG i; ULONG i;
NTSTATUS Status; NTSTATUS Status;
#if 0
PFILE_FS_VOLUME_INFORMATION FileFsVolume;
IO_STATUS_BLOCK IoStatusBlock; IO_STATUS_BLOCK IoStatusBlock;
USHORT Buffer[FS_VOLUME_BUFFER_SIZE]; USHORT Buffer[FS_VOLUME_BUFFER_SIZE];
FileFsVolume = (PFILE_FS_VOLUME_INFORMATION)Buffer; FileFsVolume = (PFILE_FS_VOLUME_INFORMATION)Buffer;
#endif
ConfigInfo = IoGetConfigurationInformation(); ConfigInfo = IoGetConfigurationInformation();
for (i = 0; i < ConfigInfo->CdRomCount; i++) for (i = 0; i < ConfigInfo->CdRomCount; i++)
{ {
#if 0
swprintf(DeviceNameBuffer, swprintf(DeviceNameBuffer,
L"\\Device\\CdRom%lu\\", L"\\Device\\CdRom%lu\\",
i); i);
@ -232,8 +235,38 @@ IopCheckCdromDevices(PULONG DeviceNumber)
} }
NtClose(Handle); NtClose(Handle);
} }
#endif
swprintf(DeviceNameBuffer,
L"\\Device\\CdRom%lu\\reactos\\ntoskrnl.exe",
i);
RtlInitUnicodeString(&DeviceName,
DeviceNameBuffer);
InitializeObjectAttributes(&ObjectAttributes,
&DeviceName,
0,
NULL,
NULL);
Status = NtOpenFile(&Handle,
FILE_ALL_ACCESS,
&ObjectAttributes,
NULL,
0,
0);
DPRINT("NtOpenFile() DeviceNumber %lu Status %lx\n", i, Status);
if (NT_SUCCESS(Status))
{
DPRINT("Found ntoskrnl.exe on Cdrom%lu\n", i);
NtClose(Handle);
*DeviceNumber = i;
return(STATUS_SUCCESS);
} }
}
DPRINT("Could not find ntoskrnl.exe\n");
*DeviceNumber = (ULONG)-1; *DeviceNumber = (ULONG)-1;
return(STATUS_UNSUCCESSFUL); return(STATUS_UNSUCCESSFUL);